particlesn.碎木料名词particle的复数形式.particles-size distribution粒径分布particles per cubic centimeter每立米厘米颗粒数, 颗粒数/立方厘米(空气中粉尘含量)particles of greatly difference大差异双组分颗粒particles-in-cell simulation粒子模拟particles' relative coordination埃斯林达particles temperature and velocity粒子温度、速度particles of journalistic language新闻语言粒子particles of dust/dust particles尘埃Particles transmissivity measurement粒子透射率测量particles swarm optimization algorithm粒子群优化算法